/*
 ***** BEGIN LICENSE BLOCK *****
 * Version: CPL 1.0/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Common Public
 * License Version 1.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.eclipse.org/legal/cpl-v10.html
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * Copyright (C) 2006 Thomas E Enebo <enebo@acm.org>
 * 
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the CPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the CPL, the GPL or the LGPL.
 ***** END LICENSE BLOCK *****/
package asruby.parser {

/* import asruby.ast.AssignableNode;
import asruby.ast.DAsgnNode;
import asruby.ast.DVarNode;
import asruby.ast.Node;
import asruby.lexer.yacc.ISourcePosition; */

public class BlockStaticScope extends StaticScope {
    private static var serialVersionUID: Number =  -3882063260379968149;

    public function BlockStaticScope(parentScope:StaticScope, names:Array = null){
        super(parentScope, names);
    }
    
    public override function getLocalScope():StaticScope{
        return enclosingScope.getLocalScope();
    }
    
    public override function isDefined2(name:String, depth:int):int{
        var slot: int =  exists(name); 
        if (slot >= 0) return (depth << 16) | slot;
        
        return enclosingScope.isDefined2(name, depth + 1);
    }
    
    /**
     * @see org.jruby.parser.StaticScope#getAllNamesInScope()
     */
    public override function getAllNamesInScope():Array{
        var variables: Array =  enclosingScope.getAllNamesInScope();
        var ourVariables: Array =  getVariables();
        
        // we know variables cannot be null since localstaticscope will create a 0 length one.
        var newSize: int =  variables.length + ourVariables.length;
        var names: Array =  variables.slice(0, variables.length);
        
        //System.arraycopy(variables, 0, names, 0, variables.length);
        for ( var i:int = variables.length; i<ourVariables.length; i++) {
        	names[i] = ourVariables[i];
        }
        //System.arraycopy(ourVariables, 0, names, variables.length, ourVariables.length);
        
        return names;
    }

 /*    public override function assign2(position:ISourcePosition, name:String, value:Node, 
             topScope:StaticScope,  depth:int):AssignableNode {
        var slot: int =  exists(name);

        
        if (slot >= 0) {
            // mark as captured if from containing scope
            if (depth > 0) capture(slot);
        
            return new DAsgnNode(position, name, ((depth << 16) | slot), value);
        }

        return enclosingScope.assign(position, name, value, topScope, depth + 1);
    }

    public  function addAssign(position:int, name:String, value:Node):AssignableNode{
        var slot: int =  addVariable(name);
        
        // No bit math to store level since we know level is zero for this case
        return new DAsgnNode(position, name, slot, value);
    }

    public override function declare(position:ISourcePosition, name:String, depth:int):Node{
        var slot: int =  exists(name);
        
        if (slot >= 0) {
            // mark as captured if from containing scope
            if (depth > 0) capture(slot);
            
            return new DVarNode(position, ((depth << 16) | slot), name);
        }
        
        return enclosingScope.declare(position, name, depth + 1);
    } */
}
}